/** Proofs GPU - Space and Time's cryptographic proof algorithms on the CPU and GPU.
 *
 * Copyright 2023-present Space and Time Labs, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#pragma once

#include <cstddef>

#include "sxt/base/type/raw_stream.h"

namespace sxt::basdv {
//--------------------------------------------------------------------------------------------------
// get_num_devices
//--------------------------------------------------------------------------------------------------
unsigned get_num_devices() noexcept;

//--------------------------------------------------------------------------------------------------
// get_latest_cuda_version_supported_by_driver
//--------------------------------------------------------------------------------------------------
int get_latest_cuda_version_supported_by_driver() noexcept;

//--------------------------------------------------------------------------------------------------
// get_cuda_version
//--------------------------------------------------------------------------------------------------
int get_cuda_version() noexcept;

//--------------------------------------------------------------------------------------------------
// get_device_mem_info
//--------------------------------------------------------------------------------------------------
void get_device_mem_info(size_t& bytes_free, size_t& bytes_total) noexcept;

//--------------------------------------------------------------------------------------------------
// get_total_device_memory
//--------------------------------------------------------------------------------------------------
// Get the total amount of memory available for a single GPU device.
//
// Note: assumes each device has the same amount of memory
size_t get_total_device_memory() noexcept;
} // namespace sxt::basdv
